Home / 5,621.05-8,431.61-2,500.32

Finding the Fourth Proportional to 5,621.05, 8,431.61 and 2,500.32

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Solution

The fourth proportional to 5,621.05, 8,431.61 and 2,500.32 is: 3,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.05 : 8,431.61 = 2,500.32 : x
  2. Step 2: Convert to fraction form
    5,621.05/8,431.61 = 2,500.32/x
  3. Step 3: Cross multiply
    5,621.05x = 8,431.61 × 2,500.32
  4. Step 4: Simplify right side
    5,621.05x = 21,081,710.61
  5. Step 5: Solve for x
    x = 21,081,710.61/5,621.05
  6. Step 6: Final answer
    x = 3,750.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.